C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
196/1, 23/400, 2
C07C 2/00 (2006.01) C07C 5/00 (2006.01)
Patent
CA 1070712
ABSTRACT A system for controlling the hydrogen/hydrocarbon mole ratio in a continuous hydrocarbon conversion process wherein the hydrocarbonaceous feed stock is catalytically reacted in a hydrogen atmosphere. Applicable to both hydro- gen-consuming and hydrogen-producing processes, in which the reaction zone effluent is separated to provide a liquid product phase and a hydrogen-rich vaporous phase, a portion of the latter being recycled to the catalytic reaction zone, the control system affords improved overall operation of the particular process in addition to increased catalyst activity and stability. Analyzers are utilized to monitor composition characteristics of the charge stock and liquid product, and the hydrogen concentration of the vaporous phase recycled to the reaction zone. Representative output signals are transmitted to comparator/computer means which compores the rate of change and actual values of the compo- sition characteristics and the hydrogen concentration, and generates additional output signals which are utilized with- in the control system for regulating the hydrogen/hydrocar- bon mole ratio of the combined charge to the reaction zone.
257170
Bajek Walter A.
Mclaughlin James H.
Uop Inc.
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